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The current `upgrade-zulip` and `upgrade-zulip-from-git` bash scripts exit with a zero status even if the upgrade commands exit with a non-zero status. Hence add `set -e` command which exits the script with the same status as the non-zero command. For pipe commands however, the net status of a command is the status of the last command, hence if the other parts fail, the net status is only determined by the last command. This is the case with our main /lib/upgrade-zulip* command in the scripts whose status is determined by the `tee` command instead. Hence add a small condition to get the status of the actual upgrade command and exit the script if it fails with a non-zero command. We also check whether the script is being run as root, matching the install script logic.
Zulip overview
Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. Zulip is used by open source projects, Fortune 500 companies, large standards bodies, and others who need a real-time chat system that allows users to easily process hundreds or thousands of messages a day. With over 700 contributors merging over 500 commits a month, Zulip is also the largest and fastest growing open source group chat project.
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Contributing code. Check out our guide for new contributors to get started. Zulip prides itself on maintaining a clean and well-tested codebase, and a stock of hundreds of beginner-friendly issues.
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Contributing non-code. Report an issue, translate Zulip into your language, write for the Zulip blog, or give us feedback. We would love to hear from you, even if you're just trying the product out.
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Checking Zulip out. The best way to see Zulip in action is to drop by the Zulip community server. We also recommend reading Zulip for open source, Zulip for companies, or Zulip for working groups and part time communities.
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Running a Zulip server. Use a preconfigured DigitalOcean droplet, install Zulip directly, or use Zulip's experimental Docker image. Commercial support is available; see https://zulip.com/plans for details.
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Participating in outreach programs like Google Summer of Code.
You may also be interested in reading our blog or following us on Twitter. Zulip is distributed under the Apache 2.0 license.